Finding the Fourth Proportional to 188,486.84, 260,108.34 and 103,602.08
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Solution
The fourth proportional to 188,486.84, 260,108.34 and 103,602.08 is: 142,968.95
Step by Step Solution
- Step 1: Write the proportion equation
188,486.84 : 260,108.34 = 103,602.08 : x - Step 2: Convert to fraction form
188,486.84/260,108.34 = 103,602.08/x - Step 3: Cross multiply
188,486.84x = 260,108.34 × 103,602.08 - Step 4: Simplify right side
188,486.84x = 26,947,765,049.35 - Step 5: Solve for x
x = 26,947,765,049.35/188,486.84 - Step 6: Final answer
x = 142,968.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.